Bangalore metro tunnel

TV9 - Helen now at Vidhana Soudha Metro Working

TV9 - Helen now at Vidhana Soudha Metro Working...! Helen, one of the two tunnel boring machines (TB TV9 - Helen now at Vidhana Soudha Metro Working...! Helen, one of the two tunnel boring machines (TBMs) deployed on Namma Metro's East-West underground corridor, achieved a breakthrough when it emerged at the Vidhana Soudha underground metro station site at five minutes before noon on Wednesday. Its counterpart, Margarita, is about 255 m away from the Vidhana Soudha station, according to a Bangalore Metro Rail Corporation Ltd, (BMRCL) spokesperson. Helen had commenced burrowing work from the Sir M. Visvesvaraya (Central College) underground metro station site on May 14 year and took about six months to dig the 725-m tunnel. A BMRCL release said throughout the length, Helen encountered very hard rock of 300 mega pascal (MPA) with very short stretch of sand silt. The breakthrough was accurate, the release said. Minister for Urban Development, Law and Parliamentary Affairs S. Suresh Kumar witnessed Helen's breakthrough, according to BMRCL Managing Director N. Sivasailam. Long journey It took almost one-and-a-half years for Helen to burrow about 1.7 km tunnel, starting from Majestic, from where it had commenced work in May 2011 to reach Vidhana Soudha. The TBM reached Central College station premises in March this year after burrowing 975 m of tunnel. Dismantling and reassembling of the TBM took about two months before it commenced its onward journey towards Vidhana Soudha. Ambedkar statue The delay in shifting of Dr. BR Ambedkar's statue, which is located very close to the ... Length: 00:02:46

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CIMG4775

Bangalore Metro 3rd CEC TBM Breakthrough. 26 December 2012 Bangalore Metro 3rd CEC TBM Breakthrough. 26 December 2012 Length: 00:03:51

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Lovat Tunnel Boring Machine and Downsview Park Station Construction

Holey, the first Tunnel boring machine is launched for the extension of the Spadina subway line in T Holey, the first Tunnel boring machine is launched for the extension of the Spadina subway line in Toronto. Length: 00:01:27

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Tunnel excavation with NFM Technologies Single shield tunnel boring machines

The single shield TBM (Tunnel Boring Machines) is used for digging tunnels in hard rock formations ( The single shield TBM (Tunnel Boring Machines) is used for digging tunnels in hard rock formations (fractured rock, soft rock). With this technology, boring and segment fitting are not simultaneous. The cutterhead, equipped with disc cutters which fracture the rock, extends to excavate the tunnel. Then, the erector installs the segment ring to build the tunnel. The excavated material is brought to the surface by conveyors. More informations : www.nfm-technologies.com Length: 00:00:42

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Bangalore Metro

First Bangalore Metro train ride for the Public from MG Road. The Train is coming into the platform. First Bangalore Metro train ride for the Public from MG Road. The Train is coming into the platform. Length: 00:00:22

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TBM breakthrough

CEC 4th Hitachgi slurry TBM breakthrough atr Vidhana Soudha station Bangalore Metro UG2 CEC 4th Hitachgi slurry TBM breakthrough atr Vidhana Soudha station Bangalore Metro UG2 Length: 00:01:13

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NECK TO NECK COMPETETION BETWEEN KOLKATA METRO & BONGAON LOCAL

After Belgachia Metro station is terminal station DumDum. So emerging out of the tunnel I left my se After Belgachia Metro station is terminal station DumDum. So emerging out of the tunnel I left my seat to check out fr some parallel action with some Express. But instead got Bongaon bound Sealdah - Bongaon local. As you can see I had encountered a Kavi Subhash bound metro and lost to the emu. Camera: Sony Xperia S Length: 00:01:06

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Port Tunnel cutting head prepared for installation

The huge cutter head for the tunnel boring machine was lowered into the pit Thursday, Sept. 1, 2011, The huge cutter head for the tunnel boring machine was lowered into the pit Thursday, Sept. 1, 2011, where the new tunnel access road to the Port of Miami will start on Watson Island. The tunnels won't be complete until 2014. Chuck Fadely/Miami Herald Staff Length: 00:00:57

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